1; RUN: llc < %s -disable-block-placement | FileCheck %s
2; RUN: llc < %s -disable-block-placement -disable-sparc-leaf-proc=0 | FileCheck %s
3target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-n32:64-S128"
4target triple = "sparcv9-sun-solaris"
5
6; CHECK: varargsfunc
7; 128 byte save ares + 1 alloca rounded up to 16 bytes alignment.
8; CHECK: save %sp, -144, %sp
9; Store the ... arguments to the argument array. The order is not important.
10; CHECK: stx %i5, [%fp+2215]
11; CHECK: stx %i4, [%fp+2207]
12; CHECK: stx %i3, [%fp+2199]
13; CHECK: stx %i2, [%fp+2191]
14; Store the address of the ... args to %ap at %fp+BIAS+128-8
15; add %fp, 2191, [[R:[gilo][0-7]]]
16; stx [[R]], [%fp+2039]
17define double @varargsfunc(i8* nocapture %fmt, double %sum, ...) {
18entry:
19  %ap = alloca i8*, align 4
20  %ap1 = bitcast i8** %ap to i8*
21  call void @llvm.va_start(i8* %ap1)
22  br label %for.cond
23
24for.cond:
25  %fmt.addr.0 = phi i8* [ %fmt, %entry ], [ %incdec.ptr, %for.cond.backedge ]
26  %sum.addr.0 = phi double [ %sum, %entry ], [ %sum.addr.0.be, %for.cond.backedge ]
27  %incdec.ptr = getelementptr inbounds i8, i8* %fmt.addr.0, i64 1
28  %0 = load i8, i8* %fmt.addr.0, align 1
29  %conv = sext i8 %0 to i32
30  switch i32 %conv, label %sw.default [
31    i32 105, label %sw.bb
32    i32 102, label %sw.bb3
33  ]
34
35; CHECK: sw.bb
36; ldx [%fp+2039], %[[AP:[gilo][0-7]]]
37; add %[[AP]], 4, %[[AP2:[gilo][0-7]]]
38; stx %[[AP2]], [%fp+2039]
39; ld [%[[AP]]]
40sw.bb:
41  %1 = va_arg i8** %ap, i32
42  %conv2 = sitofp i32 %1 to double
43  br label %for.cond.backedge
44
45; CHECK: sw.bb3
46; ldx [%fp+2039], %[[AP:[gilo][0-7]]]
47; add %[[AP]], 8, %[[AP2:[gilo][0-7]]]
48; stx %[[AP2]], [%fp+2039]
49; ldd [%[[AP]]]
50sw.bb3:
51  %2 = va_arg i8** %ap, double
52  br label %for.cond.backedge
53
54for.cond.backedge:
55  %.pn = phi double [ %2, %sw.bb3 ], [ %conv2, %sw.bb ]
56  %sum.addr.0.be = fadd double %.pn, %sum.addr.0
57  br label %for.cond
58
59sw.default:
60  ret double %sum.addr.0
61}
62
63declare void @llvm.va_start(i8*)
64
65@.str = private unnamed_addr constant [4 x i8] c"abc\00", align 1
66
67; CHECK: call_1d
68; The fixed-arg double goes in %d2, the second goes in %o2.
69; CHECK: sethi 1048576
70; CHECK: , %o2
71; CHECK: , %f2
72define i32 @call_1d() #0 {
73entry:
74  %call = call double (i8*, double, ...) @varargsfunc(i8* undef, double 1.000000e+00, double 2.000000e+00)
75  ret i32 1
76}
77